[INFO] cloning repository https://github.com/andyyu2004/bit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andyyu2004/bit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyyu2004%2Fbit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyyu2004%2Fbit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10c638b7459d321299f3dcb2200ee3b5de3534eb
[INFO] checking andyyu2004/bit against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandyyu2004%2Fbit" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andyyu2004/bit on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andyyu2004/bit
[INFO] finished tweaking git repo https://github.com/andyyu2004/bit
[INFO] tweaked toml for git repo https://github.com/andyyu2004/bit written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/andyyu2004/bit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/andyyu2004/diffy`
[INFO] [stderr]     Updating git repository `https://github.com/andyyu2004/rust-fallible-iterator`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "54a9a7f1c1db1de527ed7179def3a0ecd52d5b3a9a9191d3b6a31997951c5bac", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "36f9b6c00cf1083c7c0c04da13980ad1e80c8e0f8f4148f54f01c7c09c3229ca", kill_on_drop: false }`
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[INFO] [stderr]     Checking libbit v0.1.0 (/opt/rustwide/workdir/libbit)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> libbit/src/test_utils.rs:239:1
[INFO] [stdout]     |
[INFO] [stdout] 239 | / macro_rules! enable_log {
[INFO] [stdout] 240 | |     () => {
[INFO] [stdout] 241 | |         env_logger::builder().parse_env("BIT_LOG").init();
[INFO] [stdout] 242 | |     };
[INFO] [stdout] 243 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> libbit/src/test_utils.rs:245:1
[INFO] [stdout]     |
[INFO] [stdout] 245 | / macro_rules! stat {
[INFO] [stdout] 246 | |     ($repo:ident: $path:literal) => {
[INFO] [stdout] 247 | |         #[allow(unused_imports)]
[INFO] [stdout] 248 | |         use std::os::unix::fs::*;
[INFO] [stdout] ...   |
[INFO] [stdout] 258 | |     };
[INFO] [stdout] 259 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> libbit/src/test_utils.rs:311:1
[INFO] [stdout]     |
[INFO] [stdout] 311 | / macro_rules! hash_file {
[INFO] [stdout] 312 | |     ($repo:ident: $path:expr) => {
[INFO] [stdout] 313 | |         hash_blob!(cat!($repo: $path).as_bytes())
[INFO] [stdout] 314 | |     };
[INFO] [stdout] 315 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> libbit/src/xdiff/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(offset: isize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_capacity`
[INFO] [stdout]   --> libbit/src/xdiff/mod.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn with_capacity(offset: isize, capacity: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `something`
[INFO] [stdout]   --> libbit/src/xdiff/mod.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     something: &'a (),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bit v0.1.0 (/opt/rustwide/workdir/bit)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> libbit/src/xdiff/mod.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(offset: isize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_capacity`
[INFO] [stdout]   --> libbit/src/xdiff/mod.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn with_capacity(offset: isize, capacity: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `something`
[INFO] [stdout]   --> libbit/src/xdiff/mod.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     something: &'a (),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.65s
[INFO] running `Command { std: "docker" "inspect" "36f9b6c00cf1083c7c0c04da13980ad1e80c8e0f8f4148f54f01c7c09c3229ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36f9b6c00cf1083c7c0c04da13980ad1e80c8e0f8f4148f54f01c7c09c3229ca", kill_on_drop: false }`
[INFO] [stdout] 36f9b6c00cf1083c7c0c04da13980ad1e80c8e0f8f4148f54f01c7c09c3229ca